219903321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9479}}^1$

素因数の和:9549

約数の個数: 32

約数和(自身を含む): 345830400

約数和(自身を除く): 125927079

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 9479, 23199, 28437, 104269, 180101, 312807, 350723, 540303, 1052169, 1981111, 3857953, 5943333, 6663737, 11573859, 19991211, 73301107, 219903321]

約数ペア:

[(1, 219903321), (3, 73301107), (11, 19991211), (19, 11573859), (33, 6663737), (37, 5943333), (57, 3857953), (111, 1981111), (209, 1052169), (407, 540303), (627, 350723), (703, 312807), (1221, 180101), (2109, 104269), (7733, 28437), (9479, 23199)]